10. Al Toon
It says a lot that Toon retired at 29 but still went down as a Jets legend. The receiver was very exciting and effective for the franchise. He was also their top pass catcher in 1992. However, he suffered nine diagnosed concussions in eight years. The writing was on the wall for Toon and he reluctantly retired on health grounds. At the time, he was the second leading receiver in Jets history.
Toon had the ability to be the greatest Jets wideout ever. But he accepted that another concussion could change his life (via Sportscasting). The three-time Pro Bowler endured the effects of post-concussive syndrome after he left the sport. Fortunately, he was able to manage it but a lot of players weren’t as lucky. Toon was a great player but he should have been an all-time great.